一概而論

一概而论
yīgàiérlùn
to lump different matters together (idiom)

CEDICT

Entry Composition

1 一概 yīgài
  1. all
  2. without any exceptions
  3. categorically
2 而 ér
  1. and
  2. as well as
  3. and so
  4. but (not)
  5. yet (not)
  6. (indicates causal relation)
  7. (indicates change of state)
  8. (indicates contrast)
3 論 lùn
  1. opinion
  2. view
  3. theory
  4. doctrine
  5. to discuss
  6. to talk about
  7. to regard
  8. to consider
  9. per
  10. by the (kilometer, hour etc)